G E N E R A L I N F O R M A T I O N
page 1 – 8
D-9 / Oct 2003
Wiring Procedure - Double Connection to One Pin
ref: DB-25 male multi-pin connector
Most audio equipment machine interfaces (as well as Wheatstone consoles) use
subminiature D-type connectors. Sometimes the interfaces require making two connec-
tions to a single DB pin. If the wiring has been set up using punchblocks, this is not a
problem; however, for situations where direct machine-to-console wiring is used, Wheat-
stone recommends the following procedure:
1) Connect the first wire to the desired pin as you normally would.
2) Note connector pins may easily be removed from the DB-25 shell with the wire still
attached: Hold the connector with the metal part down and observe its side. You
will see a row of "Vees"—simply press the top of the selected vee together with a
scribe or other sharp instrument; this will unlock the pin from the shell, allowing
it to be removed.
3) With the pin removed, strip out a short section of insulation from the connected
wire and wrap and solder the second wire to the first as shown above.
4) A short piece of heatshrink tubing (pictured here before being slid into place)
completes the connection.
5) Re-insert the pin into the DB-25 shell, spreading the vee apart to lock it in place.
Summary of Contents for D-9
Page 63: ...D 9 May 2005 page 7 2 ...
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Page 69: ...page 7 8 IP 9 4 Inputs Panel Switch Card Load Sheet D 9 May 2005 ...
Page 70: ...page 7 9 D 9 Oct 2003 ...
Page 71: ...page 7 2 D 9 Oct 2003 S C H E M A T I C D R A W I N G S IQ 9 IQ Card Load Sheet page 7 10 ...
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Page 77: ...page 7 16 MN 9 Control Panel Switch Card Load Sheet D 9 Oct 2003 ...
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Page 80: ...page 7 19 MFS 9 4 Master Panel Switch Card Load Sheet D 9 May 2005 ...
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Page 87: ...page 7 26 DCM 9 DCM Panel Switch Card Load Sheet D 9 Oct 2003 ...
Page 95: ...page 7 34 HC 9 Host Controller Card Load Sheet D 9 Apr 2008 ...
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Page 97: ...page 7 36 BP 9 Back Plane Card Load Sheet D 9 Oct 2003 ...
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